You do not have to type out the full command names. You can just type the
shortest unambiguous name to run a command. So if there are non-clashing
commands, then you can run help like this:

1

$ php application.php h

If you have commands using : to namespace commands then you only need
to type the shortest unambiguous text for each part. If you have created the
demo:greet as shown in The Console Component then you
can run it with:

If you enter a short command that's ambiguous (i.e. there are more than one
command that match), then no command will be run and some suggestions of
the possible commands to choose from will be output.